The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2014
Filed:
May. 31, 2011
Applicants:
Wen Wei Zhao, Etobicoke, CA;
Mladen Vidakovic, Duisburg, DE;
Eugene Smeianu, Thornhill, CA;
Inventors:
Assignee:
Proprietect L.P., , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.